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vfiekz [6]
3 years ago
8

!!! WILL GIVE BRAINLIEST !! PLS ANSWER !!!

Mathematics
2 answers:
Yuki888 [10]3 years ago
8 0

Answer:

X = 70 (red)

Step-by-step explanation:

all three angles of a triangle equall 180

so 180 - (30+80) = x

180 - 110 = 70

hoa [83]3 years ago
3 0
Answer: x=70°

Explanation: We know that the angles in a triangle add up to 180°, so...

180-80=100
100-30=70

x=70°

please mark brainliest!
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The difference of 6 and twice a number of is negative 18
Darya [45]

Answer:

1.

Step-by-step explanation:

1. 2x-4=10

2x=14

x=7

2. 3x+3=2x-1

3x-2x=-1-3

x=-4

3. 7x+x=24

8x=24

x=3(

4. 5+x=-18

x=-18-5

x=-23

5. -14=10-6x

6x=10+14

6x=24

x=4

6. 2x-2=x+12

2x-x=12+2

x=14

7. 3x-31=2

3x=2+31

3x=33

x=11

8. 5x-14=16

5x=16+14

5x=30

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9. 2x+8=4(5-x)

2x+8=20-4x

2x+4x=20-8

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x=2

10. 2x-3=3(1+x)

2x-3=3+3x

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-x=6

8 0
3 years ago
How to solve for area of triangle where A=67 degrees, b=11yd, and c=24yd
skad [1K]

Use the formula of an area of a tringle:

A=\dfrac{1}{2}bc\sin A

We have b = 11 yd, c = 24 yd and m∠A = 67°

A=\dfrac{1}{2}(11)(24)\sin67^o

\sin67^o\approx0.9205\\\A=(11)(12)(0.9205)=121.506\ yd^2

4 0
3 years ago
Please help i really don't know the answer.
inn [45]

Answer:

95 degrees

Step-by-step explanation:

The degrees of a pentagon adds up to 540 so just subtract the angles you have from that to get the answer

8 0
4 years ago
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Lady_Fox [76]

Answer:

a). cosA = 4/5

b).

3 - cot {}^{2} a \:  + cosec {}^{2} a \:  = 0

3 0
3 years ago
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(7x+4) (5x-16) (6y-4) find the value of x and y.
melisa1 [442]

Answer:

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Step-by-step explanation:

4 0
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